Flow regulator



FIG. 1 is a top plan view of a flow regulator in accordance with my design;

FIG. 2 is a top, front, right perspective view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a bottom, front, right perspective view thereof;

FIG. 5 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof; and,

FIG. 6 is a cross-sectional view taken along line 6-6 in FIG. 3.

The broken lines represent portions of the flow regulator that form no part of the claimed design. 

CLAIM The ornamental design for a flow regulator, as shown and described. 